181041520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:934

約数の個数: 80

約数和(自身を含む): 461220480

約数和(自身を除く): 280178960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 419, 440, 491, 838, 880, 982, 1676, 1964, 2095, 2455, 3352, 3928, 4190, 4609, 4910, 5401, 6704, 7856, 8380, 9218, 9820, 10802, 16760, 18436, 19640, 21604, 23045, 27005, 33520, 36872, 39280, 43208, 46090, 54010, 73744, 86416, 92180, 108020, 184360, 205729, 216040, 368720, 411458, 432080, 822916, 1028645, 1645832, 2057290, 2263019, 3291664, 4114580, 4526038, 8229160, 9052076, 11315095, 16458320, 18104152, 22630190, 36208304, 45260380, 90520760, 181041520]

約数ペア:

[(1, 181041520), (2, 90520760), (4, 45260380), (5, 36208304), (8, 22630190), (10, 18104152), (11, 16458320), (16, 11315095), (20, 9052076), (22, 8229160), (40, 4526038), (44, 4114580), (55, 3291664), (80, 2263019), (88, 2057290), (110, 1645832), (176, 1028645), (220, 822916), (419, 432080), (440, 411458), (491, 368720), (838, 216040), (880, 205729), (982, 184360), (1676, 108020), (1964, 92180), (2095, 86416), (2455, 73744), (3352, 54010), (3928, 46090), (4190, 43208), (4609, 39280), (4910, 36872), (5401, 33520), (6704, 27005), (7856, 23045), (8380, 21604), (9218, 19640), (9820, 18436), (10802, 16760)]